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Finding the Fourth Proportional to 123,171.40, 184,497.90 and 102,435.40

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Solution

The fourth proportional to 123,171.40, 184,497.90 and 102,435.40 is: 153,437.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,171.40 : 184,497.90 = 102,435.40 : x
  2. Step 2: Convert to fraction form
    123,171.40/184,497.90 = 102,435.40/x
  3. Step 3: Cross multiply
    123,171.40x = 184,497.90 × 102,435.40
  4. Step 4: Simplify right side
    123,171.40x = 18,899,116,185.66
  5. Step 5: Solve for x
    x = 18,899,116,185.66/123,171.40
  6. Step 6: Final answer
    x = 153,437.54

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